无法在不断开连接的情况下重连， 跟桑老师已沟通。

maikebing · maikebing · commit 965dcfeb3b45 · 2023-02-16T00:40:50.000+08:00
diff --git a/src/IoTSharp.Data.Taos/Protocols/TDWebSocket/TaosWebSocket.cs b/src/IoTSharp.Data.Taos/Protocols/TDWebSocket/TaosWebSocket.cs
@@ -23,9 +23,11 @@ internal partial class TaosWebSocket : ITaosProtocol
 
         public bool ChangeDatabase(string databaseName)
         {
+            Close(_builder);
             _databaseName = databaseName;
             _builder.DataBase = _databaseName;
-            return _ws_conn(_builder,_ws_client) && _ws_conn(_builder, _schemaless_client);
+            var result = Open(_builder);
+            return result;
         }
 
         public void Close(TaosConnectionStringBuilder connectionStringBuilder)

Original file line number	Diff line number	Diff line change
`@@ -23,9 +23,11 @@ internal partial class TaosWebSocket : ITaosProtocol`
`23`	`23`
`24`	`24`	`public bool ChangeDatabase(string databaseName)`
`25`	`25`	`{`
	`26`	`+ Close(_builder);`
`26`	`27`	`_databaseName = databaseName;`
`27`	`28`	`_builder.DataBase = _databaseName;`
`28`		`- return _ws_conn(_builder,_ws_client) && _ws_conn(_builder, _schemaless_client);`
	`29`	`+ var result = Open(_builder);`
	`30`	`+ return result;`
`29`	`31`	`}`
`30`	`32`
`31`	`33`	`public void Close(TaosConnectionStringBuilder connectionStringBuilder)`